In article <36c5tj$nrb at matt.ksu.ksu.edu>, drintoul at ksu.ksu.edu (Dave
Rintoul) writes:
>38. What is the key difference between the reaction of antigens with
>antibodies, and reaction of antigens with the T-cell receptor?
>Antigen reaction with the T-cell receptor always occurs at the cell
>surface; the T-cell receptor is always membrane-bound. Antigen
>reaction with antibodies can occur at the cell surface, but usually
>occurs in solution. Antibodies can be either membrane-bound or
>soluble.
You might also want to mention the necessity for peptide processing, and
presentation with an MHC molecule for antigen reaction with the TCR.